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89375888449 = 277593544109
BaseRepresentation
bin101001100111100110…
…1111101010001000001
322112200202111120000201
41103033031331101001
52431020211412244
6105020403245201
76312550342231
oct1231715752101
9275622446021
1089375888449
11349a43a4921
12153a3979801
1385747339c3
14447c079cc1
1524d1699ad4
hex14cf37d441

89375888449 has 8 divisors (see below), whose sum is σ = 89849972520. Its totient is φ = 88902894336.

The previous prime is 89375888389. The next prime is 89375888491. The reversal of 89375888449 is 94488857398.

It can be written as a sum of positive squares in 4 ways, for example, as 276623424 + 89099265025 = 16632^2 + 298495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89375888449 - 27 = 89375888321 is a prime.

It is a super-4 number, since 4×893758884494 (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89375880449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107794 + ... + 436315.

It is an arithmetic number, because the mean of its divisors is an integer number (11231246565).

Almost surely, 289375888449 is an apocalyptic number.

It is an amenable number.

89375888449 is a deficient number, since it is larger than the sum of its proper divisors (474084071).

89375888449 is a wasteful number, since it uses less digits than its factorization.

89375888449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544979.

The product of its digits is 557383680, while the sum is 73.

The spelling of 89375888449 in words is "eighty-nine billion, three hundred seventy-five million, eight hundred eighty-eight thousand, four hundred forty-nine".

Divisors: 1 277 593 164261 544109 150718193 322656637 89375888449